| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation; |
| |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.io.EOFException; |
| import java.io.IOException; |
| |
| import org.apache.commons.cli.CommandLine; |
| import org.apache.commons.cli.CommandLineParser; |
| import org.apache.commons.cli.GnuParser; |
| import org.apache.commons.cli.HelpFormatter; |
| import org.apache.commons.cli.Options; |
| import org.apache.commons.cli.ParseException; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.conf.Configured; |
| import org.apache.hadoop.fs.FileContext; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.RemoteIterator; |
| import org.apache.hadoop.util.Tool; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.factories.RecordFactory; |
| import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider; |
| import org.apache.hadoop.yarn.server.nodemanager.NMConfig; |
| import org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AggregatedLogFormat.LogKey; |
| import org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AggregatedLogFormat.LogReader; |
| import org.apache.hadoop.yarn.util.ConverterUtils; |
| |
| public class LogDumper extends Configured implements Tool { |
| |
| private static final String CONTAINER_ID_OPTION = "containerId"; |
| private static final String APPLICATION_ID_OPTION = "applicationId"; |
| private static final String NODE_ADDRESS_OPTION = "nodeAddress"; |
| |
| @Override |
| public int run(String[] args) throws Exception { |
| |
| Options opts = new Options(); |
| opts.addOption(APPLICATION_ID_OPTION, true, "ApplicationId"); |
| opts.addOption(CONTAINER_ID_OPTION, true, "ContainerId"); |
| opts.addOption(NODE_ADDRESS_OPTION, true, "NodeAddress"); |
| |
| if (args.length < 1) { |
| HelpFormatter formatter = new HelpFormatter(); |
| formatter.printHelp("general options are: ", opts); |
| return -1; |
| } |
| |
| CommandLineParser parser = new GnuParser(); |
| String appIdStr = null; |
| String containerIdStr = null; |
| String nodeAddress = null; |
| try { |
| CommandLine commandLine = parser.parse(opts, args, true); |
| appIdStr = commandLine.getOptionValue(APPLICATION_ID_OPTION); |
| containerIdStr = commandLine.getOptionValue(CONTAINER_ID_OPTION); |
| nodeAddress = commandLine.getOptionValue(NODE_ADDRESS_OPTION); |
| } catch (ParseException e) { |
| System.out.println("options parsing failed: " + e.getMessage()); |
| |
| HelpFormatter formatter = new HelpFormatter(); |
| formatter.printHelp("general options are: ", opts); |
| return -1; |
| } |
| |
| if (appIdStr == null) { |
| System.out.println("ApplicationId cannot be null!"); |
| HelpFormatter formatter = new HelpFormatter(); |
| formatter.printHelp("general options are: ", opts); |
| return -1; |
| } |
| |
| RecordFactory recordFactory = |
| RecordFactoryProvider.getRecordFactory(getConf()); |
| ApplicationId appId = |
| ConverterUtils.toApplicationId(recordFactory, appIdStr); |
| |
| DataOutputStream out = new DataOutputStream(System.out); |
| |
| if (containerIdStr == null && nodeAddress == null) { |
| dumpAllContainersLogs(appId, out); |
| } else if ((containerIdStr == null && nodeAddress != null) |
| || (containerIdStr != null && nodeAddress == null)) { |
| System.out.println("ContainerId or NodeAddress cannot be null!"); |
| HelpFormatter formatter = new HelpFormatter(); |
| formatter.printHelp("general options are: ", opts); |
| return -1; |
| } else { |
| Path remoteRootLogDir = |
| new Path(getConf().get(NMConfig.REMOTE_USER_LOG_DIR, |
| NMConfig.DEFAULT_REMOTE_APP_LOG_DIR)); |
| AggregatedLogFormat.LogReader reader = |
| new AggregatedLogFormat.LogReader(getConf(), |
| LogAggregationService.getRemoteNodeLogFileForApp( |
| remoteRootLogDir, appId, nodeAddress)); |
| return dumpAContainerLogs(containerIdStr, reader, out); |
| } |
| |
| return 0; |
| } |
| |
| private int dumpAContainerLogs(String containerIdStr, |
| AggregatedLogFormat.LogReader reader, DataOutputStream out) |
| throws IOException { |
| DataInputStream valueStream; |
| LogKey key = new LogKey(); |
| valueStream = reader.next(key); |
| |
| while (valueStream != null && !key.toString().equals(containerIdStr)) { |
| // Next container |
| key = new LogKey(); |
| valueStream = reader.next(key); |
| } |
| |
| if (valueStream == null) { |
| System.out.println("Logs for container " + containerIdStr |
| + " are not present in this log-file."); |
| return -1; |
| } |
| |
| while (true) { |
| try { |
| LogReader.readAContainerLogsForALogType(valueStream, out); |
| } catch (EOFException eof) { |
| break; |
| } |
| } |
| return 0; |
| } |
| |
| private void |
| dumpAllContainersLogs(ApplicationId appId, DataOutputStream out) |
| throws IOException { |
| Path remoteRootLogDir = |
| new Path(getConf().get(NMConfig.REMOTE_USER_LOG_DIR, |
| NMConfig.DEFAULT_REMOTE_APP_LOG_DIR)); |
| Path remoteAppLogDir = |
| LogAggregationService.getRemoteAppLogDir(remoteRootLogDir, appId); |
| RemoteIterator<FileStatus> nodeFiles = |
| FileContext.getFileContext().listStatus(remoteAppLogDir); |
| while (nodeFiles.hasNext()) { |
| FileStatus thisNodeFile = nodeFiles.next(); |
| AggregatedLogFormat.LogReader reader = |
| new AggregatedLogFormat.LogReader(getConf(), |
| LogAggregationService.getRemoteNodeLogFileForApp( |
| remoteRootLogDir, appId, thisNodeFile.getPath().getName())); |
| try { |
| |
| DataInputStream valueStream; |
| LogKey key = new LogKey(); |
| valueStream = reader.next(key); |
| |
| while (valueStream != null) { |
| while (true) { |
| try { |
| LogReader.readAContainerLogsForALogType(valueStream, out); |
| } catch (EOFException eof) { |
| break; |
| } |
| } |
| |
| // Next container |
| key = new LogKey(); |
| valueStream = reader.next(key); |
| } |
| } finally { |
| reader.close(); |
| } |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| Configuration conf = new YarnConfiguration(); |
| LogDumper logDumper = new LogDumper(); |
| logDumper.setConf(conf); |
| logDumper.run(args); |
| } |
| } |